No, it’s not to play one of his other old characters.

As far as franchises go, the five-film run featuring Sylvester Stallone's stoic killing machine John Rambo is one of the strangest. First Blood, directed by Ted Kotcheff and adapted from the novel by David Morrell, stars Stallone as a traumatized loner just looking for a place to rest seven years after Vietnam. Running afoul of some biased local lawmen who don't like his hippie look and vagrant vibe, Rambo uses his training and a heaping dose of PTSD to fight back, culminating in a heartbreaking breakdown by Stallone as Rambo remembers returning home from war to face …